Oslo township is located in Brookings County, South Dakota. Oslo township has a 2026 population of 235. Oslo township is currently growing at a rate of 1.73% annually and its population has increased by 11.37% since the most recent census, which recorded a population of 211 in 2020.
The median household income in Oslo township is $80,595 with a poverty rate of 0%. The median age in Oslo township is 28.6 years: 28.3 years for males, and 30.7 years for females. For every 100 females there are 228.0 males.
Data after 2023 is projected based on recent change
Overall: 28.6 years
Female: 30.7 years
Male: 28.3 years
There are 182 adults, (33 of whom are seniors) in Oslo township.
Female: 75 (30.5%)
Male: 171 (69.5%)
The racial composition of Oslo township includes 95.93% White, 4.07% other race, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 236 | 95.93% |
| Other race | 10 | 4.07% |
Oslo township 's average per capita income is $49,000. Household income levels show a median of $80,595. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Households | $80,595 | $71,783 |
| Families | - | - |
| Married Families | - | - |
| Non Families | - | $68,805 |
Average Income
Median Household Income
Poverty Rate